kprobes: MAINTAINERS update

Add Masami Hiramatsu to kprobes maintainers
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -2322,6 +2322,8 @@ P:	Anil S Keshavamurthy
 M:	anil.s.keshavamurthy@intel.com
 P:	David S. Miller
 M:	davem@davemloft.net
+P:	Masami Hiramatsu
+M:	mhiramat@redhat.com
 L:	linux-kernel@vger.kernel.org
 S:	Maintained